Johannesburg - Robbers fired shots and injured the owner of a jewellery store at Campus Square shopping centre in Auckland Park, Johannesburg, on Wednesday, before fleeing with gems worth thousands of rands.Witnesses said three men went into a jewellery shop after entering the mall from the the outside parking area at about 12:00.The shop's bottom display cases were emptied of their contents and jewellery worth thousands of rands was stolen.The owner of the jewellery shop was injured.A woman who works in a store next to the jewellery shop told News24: "The owner of the [jewellery] shop was bleeding. I asked him what was going on and he just did this [gesturing with open-palm hands]. I went inside my shop and closed the door."Carol Stier was upstairs at the nearby First National Bank branch drawing money when the shooting began. "I was upstairs drawing money and I just heard these shots. People just hit the ground and the bank door closed. I went to the door and people were shouting 'Let her in!' They thankfully opened the door and let me in. I left my card in the machine and that got swallowed," she told News24."I went for tea afterwards across the road to calm down and I went to my car and it had been shot." Paramedics went into the jewellery shop with a stretcher, but re-emerged with no one on it.Curious shoppers looked on as the jewellery shop was cordoned off with police tape.Bullet casings were found in the parking area outside Woolworths.Gauteng police spokesperson Lieutenant Colonel Lungelo Dlamini said police have launched a manhunt for three men."The suspects fled the scene in a black BMW with jewellery worth thousands of rands. The suspects allegedly entered the shop and pointed a firearm at the owner. They stole jewellery. As they were fleeing from the scene, they fired several shots," Dlamini said in a statement."The owner of the shop was slightly wounded on the neck. No other people were injured. The suspects are still at large. Police are looking at the CCTV footage at the centre to establish if the suspects may be identified."Dlamini appealed to the public for any information that could lead to the arrest of the three men.This is the second robbery at the shopping centre in the past two weeks. Three men robbed a Cell C store on July 22.